git push heroku master says “Everything up-to-date”, but the app is not current

Question

I have an app on Heroku that is running old code. I\'ve made a small change and committed the change. I then ran

git push heroku master

I

Answer 1

When this happens, I push previous commit hash to master like this:

git push some-heroku-app-name SOME-COMMIT-HASH:master --force

Then I re-push master like this:

git push some-heroku-app-name master:master